metaraminol
51Mephedrone — Not to be confused with methedrine, methedrone, methadone, or methylone. Mephedrone Systematic …
52Metaterol — Systematic (IUPAC) name 3 [1 hydroxy 2 (propan 2 ylamino)ethyl]phenol Clinical data Pregnancy cat.  ? …
53Methedrone — Not to be confused with methedrine, mephedrone, methadone, or methylone. Methedrone Systematic (IUPAC) name (RS) 1 (4 methoxyphenyl) 2 (methylamino)propan 1 one …
54Substituted amphetamine — Optical isomers of amphetamine D amphetamine …
55Methylbenzodioxolylbutanamine — Systematic (IUPAC) name (RS) 1 (1,3 Benzodioxol 5 yl) N …
56Substituted methylenedioxyphenethylamines — Methylenedioxyphenethylamine (MDPEA) Substituted methylenedioxy phenethylamines (MDxx) make up a large chemical class of derivatives of the phenethylamines, which includes many psychoactive drugs that act as entactogens, psychedelics, and/or …
57Methylenedioxycathinone — Systematic (IUPAC) name (±) 2 amino 1 (3,4 methylenedioxyphenyl)propan 1 one Clinical data Pregnancy cat.  ? …
58Ethylone — Systematic (IUPAC) name (RS) 1 (1,3 benzodioxol 5 yl) 2 (ethylamino)propan 1 one Clinical data Pregnancy cat.  ? …
59Methylenedioxyisopropylamphetamine — IUPAC name (2 Benzo[1,3]dioxol 5 yl 1 methylethyl)isopropylamine …
60Methylenedioxymethoxyamphetamine — IUPAC name 1 (1,3 benzodioxol 5 yl) N methoxypropan 2 amine …